adb{boot,fota}info, fbootk: Cleanup used files before exit
adb{boot,fota}info, fbootk: Cleanup used files before exit

Change-Id: I6a9df81c9ea4114bd1bb86bcdede08f5c3a28e04
Signed-off-by: Caio Oliveira <4db4e54f91055ffa8197b8408ec5b5470f9993b8@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools